Protosirenidae
Protosirenidae is an extinct primitive family of the order Sirenia.
| Protosirenidae Temporal range: | |
|---|---|
| The skeleton of Protosiren | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Sirenia |
| Family: | †Protosirenidae Sickenberg, 1934 |
| Genera | |
| |
Protosirenids are thought to have been amphibious quadrupeds, meaning that they spent their time both on land and in the water and had four legs.
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